[HTML][HTML] Enhancing fatigue life by ductile-transformable multicomponent B2 precipitates in a high-entropy alloy

R Feng, Y Rao, C Liu, X Xie, D Yu, Y Chen… - Nature …, 2021 - nature.com
Catastrophic accidents caused by fatigue failures often occur in engineering structures.
Thus, a fundamental understanding of cyclic-deformation and fatigue-failure mechanisms is …

Controllable selection of martensitic variant enables concurrent enhancement of strength and ductility in a low-carbon steel

TW Yin, YF Shen, N Jia, YJ Li, WY Xue - International Journal of Plasticity, 2023 - Elsevier
A novel strategy through controlling the selection of martensitic variant in metallic materials
is proposed to break through the trade-off between strength and ductility. Here we prepared …

γ′-size effect on the deformation microstructure and texture in a Ni-based superalloy using in-situ neutron diffraction

Z Yan, K Srikakulapu, Y Gao, H Qin, Y Rong, Z Bi… - Scripta Materialia, 2023 - Elsevier
The γ′-size effect on the evolution of microstructure and grain rotation during tensile
deformation in a polycrystalline Ni-based superalloy was investigated by in-situ neutron …

[HTML][HTML] The effect of temperature on detwinning and mechanical properties of face-centered cubic deformation twins

MS Szczerba, MJ Szczerba - Acta Materialia, 2024 - Elsevier
Inverse temperature dependences of the detwinning stress of face-centered cubic
deformation twins were discovered by studying the effect of elevated temperatures on plastic …

Twinning-mediated work hardening and texture evolution in CrCoFeMnNi high entropy alloys at cryogenic temperature

TK Liu, Z Wu, AD Stoica, Q Xie, W Wu, YF Gao, H Bei… - Materials & Design, 2017 - Elsevier
The cryogenic plastic deformation of CrCoFeMnNi high entropy alloy is characterized by
three distinct stages based on the change of the work hardening rate. Microstructure and …

Crystallographic orientation and spatially resolved damage in a dispersion-hardened Al alloy

Q Xie, J Lian, JJ Sidor, F Sun, X Yan, C Chen, T Liu… - Acta Materialia, 2020 - Elsevier
The in-situ neutron diffraction technique, in combination with both the full-field crystal elasto-
viscoplastic finite element model and microstructural characterization, was used to study the …

Acicular martensite induced superior strength-ductility combination in a 20Cr2Ni2MoV steel

YL Wang, YF Shen, N Jia, JJ Wang, SX Zhao - Materials Science and …, 2022 - Elsevier
The super combination of ultrahigh strength and good ductility is in high demand for the gear
steels. Here we improved the mechanical properties of a micro-alloyed gear steel through …

Event-based processing of neutron scattering data at the Spallation Neutron Source

GE Granroth, K An, HL Smith, P Whitfield… - Journal of Applied …, 2018 - journals.iucr.org
The Spallation Neutron Source at Oak Ridge National Laboratory, USA, ushered in a new
era of neutron scattering experiments through the use of event-based data. Tagging each …

Direct monitoring of twinning/detwinning in a TWIP steel under reversed cyclic loading

C d'Hondt, V Doquet, JP Couzinié - Materials Science and Engineering: A, 2021 - Elsevier
In situ tensile and reversed cyclic tests were run on a TWIP steel in a SEM, with High-
Resolution Digital Image Correlation (HR-DIC) measurements of the plastic strain field in a …

The effect of loading direction and pre-deformation on the low-cycle fatigue behavior of high-manganese twinning-induced plasticity steels

D Song, HT Beier, M Vormwald - International Journal of Fatigue, 2023 - Elsevier
The low-cycle fatigue performance of high-manganese twinning-induced plasticity (TWIP)
steels with the specimen axial direction of 0°, 22.5°, 45°, 67.5°, and 90° to the rolling …